Water spout extension for a water cooler



FIG. 1 is a top, right side, and rear perspective view of a water spout extension for a water cooler showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a water spout extension for a water cooler, substantially as shown and described. 